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Gerhard Lagaly

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Gerhard Lagaly
Lagaly in 2003
Born (1938-10-14) 14 October 1938 (age 86)
Ludwigshafen am Rhein, Rheinland-Pfalz, Germany
CitizenshipGerman
Alma materHeidelberg University, Munich University
Known forAlkylammonium Method for layer charge determination
AwardsAIPEA Medal (2001)
Bailey Award (2002)
Wolfgang Ostwald Prize (2004)
Scientific career
FieldsClay and Colloid Chemistry
InstitutionsUniversity of Kiel
Doctoral advisorArmin Weiss

Gerhard Lagaly (born 14 October 1938, in Ludwigshafen am Rhein) is a German chemist and retired university professor.

Life and work

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In 1957, Lagaly started his chemistry studies (as well as Physics, Mineralogy and Botany) at the Heidelberg University, receiving his degree as "Diplom-Chemiker" in 1962. He conducted his doctorate studies at the Institute for Inorganic Chemistry at the same institution under Armin Weiss, and was awarded his Doctor degree in 1967 with the work "Untersuchung von Quellungsvorgängen in n-Alkylammonium-Schichtsilicaten". From 1965 he worked as an Assistant at the Institute for Inorganic Chemistry of the Munich University where he concluded his Habilitation in 1971 and then was employed as lecturer ("Akademischer Rat/Oberrat"). In 1974 he was employed as Professor for Inorganic Chemistry at the University of Kiel, retiring in 2004.

His research lines concentrated on Clay chemistry, Colloid chemistry and Interface chemistry as well as chemistry from porous compounds, layered materials and intercalation chemistry.

Among his many contributions to the fields of clay and colloid chemistry, one of his most recognized developments was the Alkylammonium Method for the determination of layer charge in layered aluminosilicates.[1]

He acted as treasurer of the German Colloid Society from 1979 to 2003.[2] In 2004 the same institution awarded him with the Wolfgang Ostwald Prize.[3] Lagaly was President of the German Clay Group (DTTG) from 1987 to 1992 and of the European Clay Groups Association (ECGA) from 1999 to 2003.

In addition, Lagaly acted for many years (1987-2004) as editor-in-chief for "Colloid and Polymer Science"[4] and "Progress Colloid and Polymer Science"[5] as well as editor for "Clay Minerals"[6] (1982-1996) and "Applied Clay Science"[7] (1985-1996).

Awards and distinctions

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1969 - Richard-Zsigmondy-Stipendium,[8] awarded by the Kolloid-Gesellschaft (Germany)
1995 - George W. Brindley Lecture Award,[9] The Clay Minerals Society (USA)
1996 - Doctor honoris causa, University of Szeged (Hungary)
1999 - Wolfgang-Ostwald-Kolloquium of the Kolloid-Gesellschaft (Germany) dedicated to the 60th birthday of G. Lagaly
2001 - AIPEA Medal[10] in recognition of innovative and dynamic scientific contribution to the field of Clay Sciences
2002 - Marilyn & Sturges W. Bailey Distinguished Member Award, Clay Minerals Society (USA)
2002 - Socio de Honor de la Sociedad Española de Arcillas[11] (Spain)
2004 - Wolfgang-Ostwald-Prize,[12] awarded by the Kolloid-Gesellschaft (Germany)
2005 - Membre d'Honneur du Groupe Français des Argiles[13] (France)
2006 - Ehrenmitglied der DTTG[14] (Germany-Austria-Switzerland)

The Gerhard Lagaly Award

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The German Clay Group (DTTG)[15] awards the Gerhard Lagaly Award, to "internationally excellent scientists with outstanding original research in the field of clay mineralogy." The award is designated after the internationally highly recognized clay scientist and the distinguished member of the DTTG, Professor Dr. Dr. Gerhard Lagaly.[16]

The prize was first awarded in 2014 to Prof. Dr. Juraj Bujdák (Comenius University Bratislava). In 2016, the prize went to Dr. habil. Sabine Petit (Université de Poitiers). The recipient of the 2018 prize was Dr. Stephan Kaufhold (BGR Hannover).[17]

Lagalyite

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In March 2017 an hydrated calcium phyllomanganate with formula Ca2xMn1−xO2•1.5-2H2O (x = 0.05–0.08) was accepted as new mineral by the International Mineralogical Association. This new species was discovered and described by Dr. Thomas Witzke and colleagues. It was named Lagalyite, in honor of Gerhad Lagaly and his contributions to the fields of clay chemistry and mineralogy.[18][19]

Selected works

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  • Karl Jasmund, Gerhard Lagaly (editors): Tonminerale und Tone. Struktur, Eigenschaften, Anwendungen und Einsatz in Industrie und Umwelt. Steinkopf Verlag, Darmstadt, 1993.
  • Gerhard Lagaly, Oliver Schulz, Ralf Zimehl: Dispersionen und Emulsionen: eine Einführung in die Kolloidik feinverteilter Stoffe einschließlich der Tonminerale, Steinkopf Verlag, Darmstadt, 1997.
  • Faiza Bergaya, Gergard Lagaly (editors): Handbook of Clay Science.[20] Elsevier, Amsterdam, 2013 (2nd Ed.).

See also

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References

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  1. ^ Lagaly, G. and Weiss, A. (1969) Determination of the layer charge in mica-type layer silicates: in Proc. lnt. Clay Conf., Tokyo, 1969, Vol. 1, L. Heller, ed., Israel University Press, Jerusalem, 61-80.
  2. ^ "History". Kolloid-gesellschaft.de.
  3. ^ "Ostwald Prize". Kolloid-gesellschaft.de. Archived from the original on 2018-01-27. Retrieved 2016-01-08.
  4. ^ "Colloid and Polymer Science". Springer.com.
  5. ^ "Progress in Colloid and Polymer Science". Springer.com.
  6. ^ "Clay Minerals | GeoScienceWorld". Pubs.geoscienceworld.org.
  7. ^ "Applied Clay Science | Journal | ScienceDirect.com by Elsevier". Journals.elsevier.com.
  8. ^ "Zsigmondy-Stipendium". Kolloid-gesellschaft.de.
  9. ^ "Archived copy". Archived from the original on 2016-08-11. Retrieved 2016-07-19.{{cite web}}: CS1 maint: archived copy as title (link)
  10. ^ "AIPEA.ORG .::. Medals". Archived from the original on 2016-03-05. Retrieved 2016-01-08.
  11. ^ "Sociedad Española de Arcillas". Sea-arcillas.es. Retrieved 14 February 2022.
  12. ^ "Ostwald Prize". Kolloid-gesellschaft.de.
  13. ^ "Site du Groupe Français des Argiles". Gfa.asso.fr.
  14. ^ "DTTG Awards". Dttg.ethz.ch.
  15. ^ "Purpose of the DTTG". Dttg.ethz.ch.
  16. ^ "Preis der DTTG". Dttg.ethz.ch.
  17. ^ "DTTG Awards". Dttg.ethz.ch.
  18. ^ "Mineralogical Magazine, April 2017, Vol. 81(2), pp. 403–409" (PDF). Minmag.geoscienceworld.org.
  19. ^ "Lagalyite: Lagalyite mineral information and data". Mindat.org.
  20. ^ "Handbook of Clay Science, Volume 5 - 2nd Edition". Elsevier.com.
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